PTT as only Thai firm in Fortune 500

 Pailin Chuchottaworn, the company's president and CEO, said that the higher ranking demonstrates PTT's potential in strengthening the national energy security and assuring local and foreign investors in the Thai economic strength.
 "This ranking clearly reflects the fact that PTT has become a truly international corporation," he said.
 In 2011, PTT's consolidated revenue expanded 33 per cent from the previous year to US$79.69 billion while the net profit rose 31.9 per cent to $3.456 billion.
 Top on the list is Exxon Mobil, of which shares rose by 20 per cent and profits surged by 35 per cent to $41.1 billion in 2011. Revenues jumped 28 per cent to $452.9 billion. Chevron holds the 2nd ranking, with $26.895 billion in profits.